import React from "react";
import {NavLink, Routes, Route} from 'react-router-dom'
import About from './pages/About'
import Home from './pages/Home'

export default function App() {
  return (
    <>
      <div className="row">
        <div className="col-xs-offset-2 col-xs-8">
          <div className="page-header">
            <h2>React Router Demo</h2>
          </div>
        </div>
      </div>
      <div className="row">
        <div className="col-xs-2 col-xs-offset-2">
          <div className="list-group">
            {/* 定义路由链接 */}
            <NavLink className='list-group-item' to="/about">About</NavLink>
            <NavLink className='list-group-item' to="/home">Home</NavLink>

           {/*  <a className="list-group-item active" href="./about.html">
              About
            </a>
            <a className="list-group-item" href="./home.html">
              Home
            </a> */}
          </div>
        </div>
        <div className="col-xs-6">
          <div className="panel">
            <div className="panel-body">
              {/* 在此显示路由组件界面 => 在此注册路由 */}
              <Routes>
                <Route path="/about" element={<About/>}></Route>
                <Route path="/home" element={<Home/>}></Route>
              </Routes>
            </div>
          </div>
        </div>
      </div>
    </>
  );
}
